Submitted by: Submitted by Patrick1Gall
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Date Submitted: 07/09/2016 12:17 AM
Sight Glasses are designed for use with Hydrogen Sulfide
1888 Press Release Encole, LLC a sight glass manufacturer, has released a new sight window specifically
designed to work with hydrogen sulfide.
San Jose, CA Encole LLC introduces sight glasses specifically designed for Hydrogen Sulfide, H2S
service at high temperature. Typically uses include sour refinery process, petroleum and natural gas
refining, paper and pulp plants, Rayon textile manufacturing, waste disposal equipment.
The H2S sight glasses are constructed from the most corrosion resistant materials practically available,
without the use of exotic diamondamorphous coating techniques. The housing is made from
commercially available C276 Hastelloy, an industry standard for corrosionproof process components, C
Axis Sapphire windows, and an internal all metal Cseal made from INCONEL® Alloy 718. The seal is
heat treated by the Solution and Precipitation (NACE) method for sour gas H2S service. The advantage
of these Encole sight glasses is the excellent optical clarity not available in fused type sight glasses.
Encole sight glasses allow nondistorted viewing of the process behind the window, while retaining the
highpressure and high temperature performance and corrosion resistance.
H2S sight glasses have the following technical parameters:
• Operating Pressure: up to 5,000 psi, internal pressure, 580 psi external pressure,
• Operating Temperature: 60 ºC to +426ºC
• Available in NPTthreaded configuration, Sizes 1" to 3" in ½" increments. Custom sizes and flanged
configurations are available by custom order.
About Encole LLC
Encole LLC is an American company providing engineering, marketing and sales support to
manufacturers of industrial components. The Company is developing an online directory of technical
products found at http://www.encole.com. For information about sight glasses, distributorship ...